Form 4 Tracker
Ultragenyx Pharmaceutical Inc.
RARE

31 insider filings · Latest: Jun 15, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jul 1, 2026Jul 1 8:19 PMHOWARD HORN
Proposed Sale
4,698$33.13$155.6K

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Jun 15, 2026Jun 15 10:50 PMCorazon (Corsee) D. SandersDirector
Sale
2,000$25.05$50.1K21,095(D)

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Jun 15, 2026Jun 15 10:46 PMKarah Herdman ParschauerEVP and Chief Legal Officer
Sale
1,899$24.62$46.8K94,462(D)

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Jun 15, 2026Jun 15 8:50 PMKARAH PARSCHAUER
Proposed Sale
3,799$24.35$92.5K

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Jun 15, 2026Jun 15 8:12 PMCORAZON D. SANDERS
Proposed Sale
2,000$25.05$50.1K

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Jun 1, 2026Jun 1 11:11 PMHoward HornChief Financial Officer
Sale
4,653$23.77$110.6K105,689(D)

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Jun 1, 2026Jun 1 8:08 PMHOWARD HORN
Proposed Sale
4,653$23.77$110.6K

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May 18, 2026May 18 10:41 PMShehnaaz SulimanDirector
Sale
5,740$25.12$144.2K27,951(D)

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May 18, 2026May 18 8:50 PMSHEHNAAZ SULIMAN
Proposed Sale
5,740$25.12$144.2K

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May 5, 2026May 6 6:51 PMEric CrombezEVP and Chief Medical Officer
Sale
344$24.96$8.6K111,189(D)

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May 1, 2026May 4 9:35 PMHoward HornChief Financial Officer
Sale
4,683$24.90$116.6K110,342(D)

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May 1, 2026May 1 8:06 PMHOWARD HORN
Proposed Sale
4,683$24.90$116.6K

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Apr 1, 2026Apr 2 10:19 PMHoward HornChief Financial Officer
Sale
4,683$20.97$98.2K80,351(D)

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Apr 1, 2026Apr 1 8:12 PMHOWARD HORN
Proposed Sale
4,683$20.97$98.2K

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Mar 10, 2026Mar 10 8:51 PMKarah Herdman ParschauerEVP and Chief Legal Officer
Sale
3,508$22.67$79.5K66,820(D)

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Mar 6, 2026Mar 10 8:51 PMKarah Herdman ParschauerEVP and Chief Legal Officer
Sale
6,018$21.40$128.8K70,328(D)

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Mar 10, 2026Mar 10 8:42 PMKARAH PARSCHAUER
Proposed Sale
3,508$22.67$79.5K

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Mar 6, 2026Mar 6 10:28 PMKARAH PARSCHAUER
Proposed Sale
6,018$21.40$128.8K

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Mar 2, 2026Mar 4 12:09 AMJohn Richard PinionEVP, Chief Quality Operations Officer
Sale
10,029$22.80$228.7K110,026(D)

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Mar 2, 2026Mar 4 12:08 AMErik HarrisEVP & Chief Commercial Officer
Sale
10,539$22.80$240.3K89,515(D)

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
May 14, 2026May 18 10:50 PMMatthew K FustDirector
Grant/Award
14,058$25.8014,058(D)

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May 14, 2026May 18 10:41 PMShehnaaz SulimanDirector
Grant/Award
14,058$25.8014,058(D)

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May 14, 2026May 18 10:39 PMAmrit RayDirector
Grant/Award
14,058$25.8014,058(D)

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May 14, 2026May 18 10:38 PMCorazon (Corsee) D. SandersDirector
Grant/Award
14,058$25.8014,058(D)

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May 14, 2026May 18 10:35 PMMichael NarachiDirector
Grant/Award
14,058$25.8014,058(D)

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May 14, 2026May 18 10:23 PMDaniel G WelchDirector
Grant/Award
14,058$25.8014,058(D)

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May 14, 2026May 18 10:21 PMDeborah DunsireDirector
Grant/Award
14,058$25.8014,058(D)

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Apr 22, 2026Apr 24 8:39 PMTheodore Alan HuizengaSVP, Chief Accounting Officer
Grant/Award
7,348$24.617,348(D)

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Apr 16, 2026Apr 20 9:19 PMEmil D KakkisDirector, President & CEO
Grant/Award
132,693$24.52132,693(D)

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Apr 16, 2026Apr 20 9:17 PMDennis Karl HuangEVP, Chief Technical Operations Officer
Grant/Award
79,936$24.5279,936(D)

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Apr 16, 2026Apr 20 9:16 PMJohn Richard PinionEVP, Chief Quality Operations Officer
Grant/Award
79,936$24.5279,936(D)

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Apr 16, 2026Apr 20 9:15 PMKarah Herdman ParschauerEVP and Chief Legal Officer
Grant/Award
49,960$24.5249,960(D)

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Apr 16, 2026Apr 20 9:13 PMErik HarrisEVP & Chief Commercial Officer
Grant/Award
49,960$24.5249,960(D)

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Apr 16, 2026Apr 20 9:11 PMEric CrombezEVP and Chief Medical Officer
Grant/Award
59,952$24.5259,952(D)

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Apr 16, 2026Apr 20 9:09 PMHoward HornChief Financial Officer
Grant/Award
59,952$24.5259,952(D)

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